Standard |
AMT 227 Aircraft Engine Electrical,
Ignition, and Starting Systems
This course provides a study of aircraft engine electrical systems. Topics include: troubleshoot, service, and repair electrical and mechanical fluid rate-of-flow indicating systems; inspect, check, service, troubleshoot, and repair electrical and mechanical engine temperature, pressure, and r.p.m. indicating systems; inspect, check, service, troubleshoot, and repair engine fire detection and extinguishing systems; install, check, and service engine electrical wiring, controls, switches, indicators, and protective devices; repair engine electrical system components; overhaul magneto and ignition harness; inspect, service, troubleshoot, and repair reciprocating and turbine engine ignition systems and components; inspect, service, troubleshoot, and repair turbine engine electrical starting systems; and inspect, service, and troubleshoot turbine engine pneumatic starting systems.
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Competency Areas |
Hours
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Troubleshoot, Service, and Repair Electrical and Mechanical Fluid Rate-of-Flow Indicating Systems |
Class |
8 |
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Inspect, Check, Service, Troubleshoot, and Repair Electrical and Mechanical Engine Temperature, Pressure, and r.p.m. Indicating Systems |
D. Lab |
0 |
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Inspect, Check, Service, Troubleshoot, and Repair Engine Fire Detection and xtinguishing Systems |
P. Lab/O.B.I. |
7 |
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Install, Check, and Service Engine Electrical Wiring, Controls, Switches, Indicators, and Protective Devices |
Credit |
10 |
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Repair Engine Electrical System Components |
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Overhaul Magneto and Ignition Harness |
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Inspect, Service, Troubleshoot, and Repair Reciprocating and Turbine Engine Ignition Systems and Components |
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Inspect, Service, Troubleshoot, and Repair Turbine Engine Electrical Starting Systems |
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Inspect, Service, and Troubleshoot Turbine Engine Pneumatic Starting Systems |
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Troubleshoot, Service, and Repair Electrical and Mechanical Fluid Rate-of-Flow Indicating Systems |
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Prerequisite: |
AMT 103 |
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Corequisite: |
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Course Guide |
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Competency |
After completing this
section, the student will: |
Hours |
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Class |
D.Lab |
P.Lab/ O.B.I. |
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TROUBLESHOOT, SERVICE, AND
REPAIR ELECTRICAL ANDMECHANICAL FLUID RATE-OF-FLOW INDICATING SYSTEMS |
4 |
0 |
4 |
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Fluid rate-of-flow measuring instruments |
Identify the types of fuel flow indicating systems. |
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Explain the purpose of fuel flow indicating systems. |
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INSPECT, CHECK, SERVICE, TROUBLESHOOT, AND REPAIR
ELECTRICAL AND MECHANICAL ENGINE TEMPERATURE, PRESSURE, AND R.P.M. INDICATING
SYSTEMS |
8 |
0 |
7 |
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Pressure measuring instruments |
Identify components of pressure indicating and warning systems. |
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Inspect, check, troubleshoot, service, and repair pressure indicating systems. |
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Temperature measuring instruments |
Identify the types of engine temperature indicating systems. |
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Inspect, check, service, troubleshoot, and repair temperature measuring instrument systems. |
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Engine r.p.m. indicating instruments |
Identify the different types of tachometer systems. |
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Inspect, check, service, troubleshoot, and repair engine r.p.m indicating systems. |
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INSPECT, CHECK, SERVICE, TROUBLESHOOT, AND REPAIRENGINE
FIRE DETECTION AND EXTINGUISHING SYSTEMS |
7 |
0 |
6 |
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Fire detection system |
Test the operation of fire detection systems. |
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Inspect, check, service, troubleshoot, and repair an engine fire detection system. |
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Fire extinguishing system |
Describe the purpose and requirements for a fire extinguishing system. |
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List the characteristics of different extinguishing agents. |
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Inspect, check, service, troubleshoot, and repair a fire extinguishing system. |
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INSTALL, CHECK, AND SERVICE ENGINE ELECTRICAL WIRING, CONTROLS,
SWITCHES, INDICATORS, AND PROTECTIVE DEVICES |
14 |
0 |
12 |
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Wiring |
Select and install wire complying with AC 43.14-1A. |
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Interpret AC 43.13-1 as to the proper installation techniques for electrical wiring and junction boxes. |
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Route wire so as to protect against damage due to chafing, high temperature, or solvent and fluids. |
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Install cable
clamps. |
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Make emergency splicing repairs. |
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Connections |
Select and install solder and crimp type terminals. |
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Connect terminal lugs to terminal blocks. |
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Select and install different types of connectors. |
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Conduit |
Select and install conduit. |
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Electrical equipment |
Identify different types of protective circuit breakers, fuses, and switches. |
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Install, check, and service engine electrical controls, switches, indicators, and protective devices. |
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REPAIR ENGINE ELECTRICAL SYSTEM COMPONENTS |
7 |
0 |
6 |
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Electrical system components |
Locate replacement procedure and part number for an engine component in a service manual and parts catalog. |
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Inspect aircraft engine electrical power generating systems. |
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Inspect powerplant circuits and components. |
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Adjust voltage regulators and troubleshoot generator electrical system. |
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Repair engine electrical system components. |
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OVERHAUL MAGNETO AND IGNITION HARNESS |
10 |
0 |
9 |
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Magneto |
Internally time a magneto. |
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Overhaul and test a magneto. |
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Check and adjust magneto-to-engine timing. |
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Ignition harness and wiring |
Inspect and check an ignition harness. |
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Locate and identify a shorted lead using a harness tester. |
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Inspect, check, troubleshoot, remove, and reinstall wiring to an ignition switch. |
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Spark plugs |
Inspect, remove, clean, test, and reinstall aircraft spark plugs. |
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Turbine engine ignition systems |
Inspect, remove, clean, service, test, and reinstall a turbine engine igniter. |
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INSPECT, SERVICE, TROUBLESHOOT, AND REPAIR
RECIPROCATING AND TURBINE ENGINE IGNITION SYSTEMS AND COMPONENTS |
14 |
0 |
12 |
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Safety |
Interpret and follow safety rules and guidelines. |
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Principles of ignition |
Describe the basic principles of operation for reciprocating and turbine ignition systems. |
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Magneto construction and operation |
Disassemble, identify components, and reassemble a magneto. |
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High tension ignition system |
Describe the operation of a high tension ignition system. |
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Low tension ignition system |
Describe the operation of a low tension ignition system. |
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Auxiliary ignition units |
Identify and describe the various types of auxiliary units. |
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Ignition system maintenance |
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Troubleshoot reciprocating engine ignition problems. |
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Troubleshoot turbine engine ignition problems. |
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Perform an ignition system inspection. |
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INSPECT, SERVICE, TROUBLESHOOT, AND REPAIR TURBINE
ENGINE ELECTRICAL STARTING SYSTEMS |
8 |
0 |
7 |
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Terminology |
Identify the component parts of an aircraft engine electrical starting system. |
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Operation |
Describe the operation of various types of aircraft engine electrical starting systems. |
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Types |
Distinguish between the various component parts of aircraft engine electrical starting systems. |
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Starting system maintenance |
Inspect aircraft engine electrical starting systems. |
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Troubleshoot aircraft engine electrical starting systems. |
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Perform inspections of aircraft engine electrical starting systems. |
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INSPECT, SERVICE, AND TROUBLESHOOT TURBINEENGINE
PNEUMATIC STARTING SYSTEMS |
8 |
0 |
7 |
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Terminology |
Identify the component parts of an aircraft turbine engine pneumatic starting system. |
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Operation |
Describe the operation of various types of aircraft turbine engine pneumatic starting systems. |
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Types |
Distinguish between the various component parts of aircraft turbine engine pneumatic starting systems. |
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Starting system maintenance |
Inspect aircraft turbine engine pneumatic starting systems. |
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Troubleshoot aircraft turbine engine pneumatic starting systems. |
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Perform inspections of aircraft turbine engine starting systems. |
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Suggested Resources |
Books
Aviation Book Company. (1988). Federal aviation regulations for mechanics. Glendale, CA:
Author.
Crane, D., et al. (1983). A
& P technician powerplant textbook. Casper, WY: IAP.
IAP, Inc. (1976). Airframe and powerplant mechanics general handbook. Casper, WY:
Author.
IAP, Inc. (1985). Aircraft ignition and electrical power systems. Casper, WY: Author.
IAP, Inc. (1988). AC 43.13-1A-change three -- acceptable methods, techniques, and
practices: Aircraft inspection and repair. Casper, WY: Author.
IAP, Inc. (1990). CARACOMP the electronic tutor: Aviation technician airframe program
computer software. Casper, WY: Author.
IAP, Inc. (1990). FAR handbook for aviation maintenance technicians. Casper, WY:
Author.
Kroes, M. J., et al.
(1990). Aircraft powerplants
(6th ed.). New York: McGraw-Hill.
Otis, C. (1989). Aircraft gas turbine powerplants (2nd ed.). Casper, WY: IAP.